<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            border: 1px solid #000;
            margin-bottom: 10px;
        }
        .left {
            text-align: left;
        }
        .center {
            text-align: center;
        }
        .right {
            text-align: right;
        }
    </style>
</head>
<body>
    <p class="box left">text-aligh 行内内容水平方向位置</p>
    <p class="box center">text-aligh 行内内容水平方向位置</p>
    <p class="box right">text-aligh 行内内
</body>
</html>